П. А. Волчугов

Application of Normalizing Flows for Detecting Rare Events in Gamma-Ray Astronomy

A. P. Kryukov, A. Yu. Razumov, A. Demichev, J. J. Dubenskaya et autres

Abstract The goal of this work is to develop a new method for detecting rare gamma quanta against the background of charged particles in the fluxes from sources in the Universe with the help of the deep learning and normalizing flows. It …

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Влияние методов предварительной обработки данных АЧТ на точность восстановления параметров ШАЛ

П. А. Волчугов, А. П. Крюков, Е. О. Гресь, А. П. Демичев et autres

Метод определения энергии гамма-квантов по данным АЧТ в эксперименте TAIGA на основе анализа существенных признаков, выделяемых с помощью автоэнкодеров

Е. О. Гресь, А. П. Крюков, П. А. Волчугов, А. П. Демичев et autres

Analysis of the TAIGA-HiSCORE Data Using the Latent Space of Autoencoders

Yu. Yu. Dubenskaya, Stanislav P. Polyakov, A. P. Kryukov, Andrey P. Demichev et autres

The aim of extensive air shower (EAS) analysis is to reconstruct the physical parameters of the primary particle that initiated the shower. The TAIGA experiment is a hybrid detector system that combines several imaging atmospheric Cherenkov telescopes (IACTs) and an array of …

Capability of Using the Normalizing Flows for Extraction Rare Gamma Events in the TAIGA Experiment

Alexander P. Kryukov, A. Yu. Razumov, Andrey P. Demichev, J. J. Dubenskaya et autres

The objective of this work is to develop a method for detecting rare gamma quanta against the background of charged particles in the fluxes from sources in the Universe with the help of the deep learning and normalizing flows based method designed …

Influence of IACT Data Preprocessing Methods on the Accuracy of Reconstruction of EAS Parameters

П. А. Волчугов, Alexander P. Kryukov, E. O. Gres, Andrey P. Demichev et autres

Abstract This work investigates the influence of data preprocessing methods on the accuracy of reconstructing the parameters of events detected by Imaging Atmospheric Cherenkov Telescopes (IACTs). The simulation of the events detected by the telescopes is described, taking into account the night …

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Energy spectrum and mass composition of cosmic rays according to the data of the TAIGA-HiSCORE installation

N. M. Budnev, M. Ternovoy, L. A. Kuzmichev, Э. А. Осипова et autres

Since 2022, the TAIGA-HiSCORE installation, part of the TAIGA astrophysical complex, has been operational with 120 Cherenkov stations covering an area of 1 $km^2$. The energy of Extensive Air Showers (EAS) is determined by the flux density of Cherenkov light at a …

Energy Spectrum of primary Cosmic Rays according to the data of the Tunka-Grande scintillation array.

N. M. Budnev, Ivanova La, И. И. Астапов, P. A. Bezyazeekov et autres

The Tunka-Grande experiment is a scintillation array with about 0.5 square kilometer sensitive area at Tunka Valley, Siberia. Its scientific program is to study cosmic rays and search for astrophysical gamma rays by detecting charged particles (electrons and muons) of extensive air …

Evaluation of Angular Resolution and Effective Area of the TAIGA-HiSCORE Installation Using Peripheral Stations

V. Samoliga, И. И. Астапов, P. Bezyazeekov, А. В. Блинов et autres

Abstract We presented the results of a computer modeling of the TAIGA-HiSCORE installation in an extended configuration. TAIGA-HiSCORE is a 1 km2 grid of 120 optical stations designed for EAS detection with angular resolution of ∼0.1°. High angular resolution is necessary for …

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The Optical Throughput Calibration of the TAIGA-IACT Facility

П. А. Волчугов, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The optical throughput of Imaging Atmospheric Cherenkov Telescopes (IACTs) is an important detector characteristic used to reconstruct the parameters of detected events. The TAIGA astrophysical complex includes TAIGA-IACT facility—an array of three IACTs and 120 TAIGA-HiSCORE wide-angle Cherenkov detectors on an …

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TAIGA-1 Hybrid Complex: The Progress from Cosmic Ray Physics to Gamma Astronomy

N. M. Budnev, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The research project reveals the advantages and capabilities of the hybrid complex of TAIGA-1 installations used to study comic ray fluxes having energies ranging from 0.1 to 1000 PeV and gamma quanta with energies from 3 TeV to a hundred TeV. …

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Hadron Rejection in an Imaging Air Cherenkov Telescope Depending on the Mirror Diameter and Camera Pixel Size

Evgeny Postnikov, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The astrophysical experiment TAIGA-10 (Tunka Advanced Instrument for cosmic ray physics and Gamma-ray Astronomy) is planned to extend by mounting new telescopes with improved parameters: a smaller camera pixel size of a larger mirror diameter. The simulation of new and already …

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